way betimes to join Cornwallis at Trenton. One of these under Colonel Mawhood, with three companies of horse, had already crossed Stony Brook and had climbed the hill beyond, before they descried Mercer following the road in the valley below; the other was half a mile behind, north of the stream. Mawhood quickly turned back and, uniting the two, engaged Mercer. The Americans were armed with rifles which had no bayonets, and although nearly equal in number to the enemy they were first slowly then rapidly driven up the hill to the ridge south of the King's Highway and east of the Quaker road. They stood firm before the firing of the English, but yielded when the enemy charged bayonets. In this encounter Mercer was severely wounded and left for dead. Many other officers were likewise wounded as they hung back, striving to rally the flying troops.
Washington, hearing the firing, stopped immediately and, leaving the rest of his column to follow their line of march, put himself at the head of the Pennsylvania volunteers and wheeled. Summoning two pieces of artillery he turned to join the retreating forces of Mercer. The British reached the crest of the
